Finding the Third Proportional to 1,783,220 and 3,477,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783,220 : 3,477,144 = 3,477,144 : x
2. Step 2: Convert to fraction form
   1,783,220/3,477,144 = 3,477,144/x
3. Step 3: Cross multiply
   1,783,220x = 3,477,144 × 3,477,144
4. Step 4: Simplify right side
   1,783,220x = 12,090,530,396,736
5. Step 5: Solve for x
   x = 12,090,530,396,736/1,783,220
6. Step 6: Final answer
   x = 6,780,167.56